2809933

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 3465216

約数和(自身を除く): 655283

約数列:

[1, 7, 23, 31, 161, 217, 563, 713, 3941, 4991, 12949, 17453, 90643, 122171, 401419, 2809933]

約数ペア:

[(1, 2809933), (7, 401419), (23, 122171), (31, 90643), (161, 17453), (217, 12949), (563, 4991), (713, 3941)]